S 4 Hindenberg Line 1917 Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917 German Withdrawal Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/german-withdrawal Lagincourt Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/lagincourt First Bullecourt 11 April 1917 Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/first-bullecourt-11-april-1917 Second Bullecourt 3-26 May 1917 Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/second-bullecourt-3-26-may-1917
German Withdrawal Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/german-withdrawal
Lagincourt Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/lagincourt
First Bullecourt 11 April 1917 Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/first-bullecourt-11-april-1917
Second Bullecourt 3-26 May 1917 Source URL: https://clik.dva.gov.au/history-library/part-1-military-history/ch-1-world-war-i/s-4-hindenberg-line-1917/second-bullecourt-3-26-may-1917
